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SEGMENT INFORMATION (Schedule of Operating Income By Segment) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | $ 102,032 | $ 93,178 | $ 106,527
Cost of revenues | 86,470 | 84,787 | 86,083
Gross profit | 15,562 | 8,391 | 20,444
Research and development | 74 | 553 | 731
Selling and marketing | 5,259 | 4,913 | 4,974
General and administrative | 8,251 | 8,559 | 9,409
Other expenses (income) |  | (4) | 53
Operating income (loss) | 1,978 | (5,630) | 5,277
Financial expense, net | 451 | 102 | 338
Income before taxes on income | 1,527 | (5,732) | 4,939
Sale of Products and Services [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 102,032 | 93,178 | 106,527
Intersegment Revenues [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues |  |  |
Elimination of inter-company sales [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | (6,287) | (5,057) | (3,536)
Cost of revenues | (6,468) | (5,343) | (3,620)
Gross profit | 181 | 286 | 84
Research and development |  |  |
Selling and marketing |  |  |
General and administrative |  |  |
Other expenses (income) |  |  |
Operating income (loss) | 181 | 286 | 84
Elimination of inter-company sales [Member] | Sale of Products and Services [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues |  |  |
Elimination of inter-company sales [Member] | Intersegment Revenues [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | (6,287) | (5,057) | (3,536)
OEM of Heat Transfer Solutions and Aviation Accessories [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 26,589 | 24,707 | 31,237
Cost of revenues | 23,998 | 25,612 | 25,535
Gross profit | 2,591 | (905) | 5,702
Research and development | 58 | 287 | 398
Selling and marketing | 1,530 | 1,512 | 1,968
General and administrative | 1,978 | 2,384 | 2,072
Other expenses (income) |  | (2) |
Operating income (loss) | (975) | (5,086) | 1,264
OEM of Heat Transfer Solutions and Aviation Accessories [Member] | Sale of Products and Services [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 20,552 | 20,065 | 27,898
OEM of Heat Transfer Solutions and Aviation Accessories [Member] | Intersegment Revenues [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 6,037 | 4,642 | 3,339
MRO Services for heat transfer components and OEM of heat transfer solutions [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 34,433 | 31,344 | 34,812
Cost of revenues | 27,852 | 27,659 | 26,085
Gross profit | 6,581 | 3,685 | 8,727
Research and development | 83 | 98 | 169
Selling and marketing | 1,638 | 1,660 | 1,358
General and administrative | 2,734 | 2,375 | 3,182
Other expenses (income) |  |  |
Operating income (loss) | 2,126 | (448) | 4,018
MRO Services for heat transfer components and OEM of heat transfer solutions [Member] | Sale of Products and Services [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 34,183 | 30,929 | 34,615
MRO Services for heat transfer components and OEM of heat transfer solutions [Member] | Intersegment Revenues [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 250 | 415 | 197
MRO services for Aviation Components [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 38,687 | 32,487 | 33,009
Cost of revenues | 33,337 | 28,561 | 29,026
Gross profit | 5,350 | 3,926 | 3,983
Research and development | 7 |  |
Selling and marketing | 1,334 | 1,324 | 1,213
General and administrative | 2,408 | 2,631 | 3,049
Other expenses (income) |  | (2) | 53
Operating income (loss) | 1,601 | (27) | (332)
MRO services for Aviation Components [Member] | Sale of Products and Services [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 38,687 | 32,487 | 33,009
MRO services for Aviation Components [Member] | Intersegment Revenues [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues |  |  |
Overhaul and coating of jet engine components [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 8,610 | 9,697 | 11,005
Cost of revenues | 7,751 | 8,298 | 9,057
Gross profit | 859 | 1,399 | 1,948
Research and development | (74) | 168 | 164
Selling and marketing | 757 | 417 | 435
General and administrative | 1,131 | 1,169 | 1,106
Other expenses (income) |  |  |
Operating income (loss) | (955) | (355) | 243
Overhaul and coating of jet engine components [Member] | Sale of Products and Services [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 8,610 | 9,697 | 11,005
Overhaul and coating of jet engine components [Member] | Intersegment Revenues [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues |  |  |

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